.director {
  position: absolute;
  top: 50%;
  z-index: 1;
  margin-top: -15px;
  width: 20px;
  height: 30px;
  text-align: center;
  line-height: 30px;
  color: #fff;
  background-color: rgba(0, 0, 0, .5);

  a {
    color: #fff;
    text-decoration: none;
  }

  &.dir-next {
    right: 0;
  }

  &.dir-prev {
    left: 0;
  }
}